Updated TabsController with transition coordination fixes

CHANGELOG.md

+## 2.12.5
+
+* Updated to [Motion 1.2.4](https://github.com/CosmicMind/Motion/releases/tag/1.2.4).
+* [issue-937](https://github.com/CosmicMind/Material/issues/937): Added @objc to `TabBar.lineColor` for access availability.
+* [pr-934](https://github.com/CosmicMind/Material/pull/934): Added access to the `TabBar.line` view.
+
 ## 2.12.4
 
 * Updated to [Motion 1.2.3](https://github.com/CosmicMind/Motion/releases/tag/1.2.3).

Material.podspec

 Pod::Spec.new do |s|
 	s.name = 'Material'
-	s.version = '2.12.4'
+	s.version = '2.12.5'
 	s.license = 'BSD-3-Clause'
 	s.summary = 'A UI/UX framework for creating beautiful applications.'
 	s.homepage = 'http://materialswift.com'

Motion @ b9a25764

-Subproject commit 9d898243db235f6f83e128bd632141bb36d73d84
+Subproject commit b9a2576453296a86582ed43aad357456e76a7924

Sources/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.12.4</string>
+	<string>2.12.5</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>

Sources/iOS/TabBar.swift

@@ -257,6 +257,17 @@ open class TabBar: Bar {
         }
     }
     
+    /// The line color.
+    @objc
+    open var lineColor: UIColor {
+        get {
+            return lineColorForState[.selected]!
+        }
+        set(value) {
+            lineColorForState[.selected] = value
+        }
+    }
+    
     open override func layoutSubviews() {
         super.layoutSubviews()
         guard willLayout else {

Sources/iOS/TabsController.swift

@@ -222,8 +222,6 @@ fileprivate extension TabsController {
         
         view.isUserInteractionEnabled = false
         
-        fvc.beginAppearanceTransition(false, animated: true)
-        
         Motion.shared.transition(from: fvc, to: viewController, in: container) { [weak self, tvc = tvc, isAuto = isAuto, completion = completion] (isFinished) in
             guard let s = self else {
                 return
@@ -238,8 +236,6 @@ fileprivate extension TabsController {
             
             s.removeViewController(viewController: fvc)
             
-            fvc.endAppearanceTransition()
-            
             completion?(isFinished)
 
             if isTriggeredByUserInteraction {